Can I still be pregnant?

I was supposed to ovulate around the 6-12th. My fiance and I had sex on the 4th. At 1-3DPO I was cramping, had headache, couldn't sleep at all, stuffy nose, sore throat, lots of nasusea but no vomiting, bloating and cramping like AF was about to come. I do not get AF until the 21st of this month. LOTS of lower back pain (reason I can not sleep), slight dizziness. Pinching feeling in both my ovaries and alot of gas, alot of watery CM on days one and 2 barely any today. Today is 4DPO and I felt a little nausea that goes away when I eat and a little back pain but everthing else disappeared like nothing happened. I also had weird dreams. None as weird as this morning though. woke up this morning from a dream that I was fishing in my bed. The line was going under my bed.I was with someone and I did not know who. We finally caught a baby alligator. I attempted to throw it back because it was cute but instead I put it on my line and cast it. Next thing I know I caught a big bass (fish) in 5 seconds of casting. I am in my 2 week wait on knowing if I am pregnant or not. I don't know if it was just a weird dream or if it has something to do with that. We are really wanting to be parents now. Is there a possiblility that I can be pregnant still after having sex one time 2 days before I started to ovulate? Or since it all stopped should I expect my period.

[Bcauseiwant2bwell]

It is always possible to be pregnant when having unprotected intercourse. The notion that you only get pregnant during ovulation is completely wrong. I have been taught sperm can live in the uterus for up to 8days after sex. So yeah it is very possible. Do a pregnancy test. Best of luck.